Secret American agents are not welcome at one Russian restaurant in the mountains outside Sochi.

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That's according to a rather strange sign an Associated Press photographer found near the sites of the Olympic skiing and snowboarding competitions.

"We do not serve FBI and CIA agents," reads the sign.

It remains unclear whether former National Security Agency contractor Edward Snowden, who Russian President Vladimir Putin recently told ABC News' George Stephanopoulos could attend the Olympics, would be welcome at the eatery.